제출 #1146550

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1146550		why1	Triangles (CEOI18_tri)	C++20	0 / 100	0 ms	324 KiB

tri

#include <bits/stdc++.h>

#include "trilib.h"

using namespace std;

#define ll long long
#define pb push_back
#define pii pair<int,int>
#define sz size()
#define all(v) v.begin(),v.end()
#define fi first
#define se second

const int N = 5e5;
const int mod = 1e9+7;
const ll INF = 1e18;

const int di[] = {1, -1, 0, 0};
const int dj[] = {0, 0, 1, -1};

void solve() {
	int n=get_n();
	int ans=0;
	for(int i = 1; i <= n; i++){
		for(int j = i+1; j <= n; j++){
			bool check=true;
			for(int k = 1; k <= n; k++){
				if(k!=i && k!=j && i!=j){
					if(!is_clockwise(i,j,k)){
						check=false;
						break;
					}
				}
			}
			ans+=check;
		}	
	}
	give_answer(ans-1);
}

int main() {

	//freopen("cowrun.in","r",stdin);
	//freopen("cowrun.out","w",stdout);

    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cout.tie(nullptr);

	int t=1;
	//cin>>t;
	while(t--) {
        solve();
	}

    return 0;
}

• Subtask 1: 0 / 15
• Subtask 2: 0 / 20
• Subtask 3: 0 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 25